class Vehicle {

        constructor (type, model, parts, fuel) {


          this.type = type;

          this.model = model;

          this.parts = {

            engine: parts.engine,

            power: parts.power,

            quality: parts.engine * parts.power,

          };


         this.drive = function (decr) {

          this.fuel = fuel - decr;

          }



        }


      }